Search found 3 matches

by captain
Fri Jan 30, 2009 9:42 am
Forum: 6502 assembly coding
Topic: IRQ interupt
Replies: 23
Views: 20867

irq

Hey thank you for the response. I'm pleased to see my screen filled with A's and B's If I modify the program and remove the main() loop to drop back to BASIC when the program quits the keyboard handler works for about 2 seconds then seems to go dead. Reading through some docs I suppose this is becau...
by captain
Tue Jan 27, 2009 1:01 pm
Forum: 6502 assembly coding
Topic: IRQ interupt
Replies: 23
Views: 20867

Re: install_irq_handler polling too fast?

It was a mistake I had in the code.
It seems to be ignored and the output just prints A and B
I have recompiled it with just A and B but get the same result.

Hey thank you for a reply.
This thread has not seen and life for a while it seems...
by captain
Tue Jan 27, 2009 12:15 pm
Forum: 6502 assembly coding
Topic: IRQ interupt
Replies: 23
Views: 20867

install_irq_handler polling too fast?

Hi all, I have the following code setup to use the install_irq_handler function. The results are not what I expected in that I get an output of: AAAAAAAAAAAAAABBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBB... The char B is then displayed forever. I was expecting a few A chars displayed. I ...